Home / 93,146.36-128,538.70-50,703.98

Finding the Fourth Proportional to 93,146.36, 128,538.70 and 50,703.98

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Solution

The fourth proportional to 93,146.36, 128,538.70 and 50,703.98 is: 69,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.36 : 128,538.70 = 50,703.98 : x
  2. Step 2: Convert to fraction form
    93,146.36/128,538.70 = 50,703.98/x
  3. Step 3: Cross multiply
    93,146.36x = 128,538.70 × 50,703.98
  4. Step 4: Simplify right side
    93,146.36x = 6,517,423,674.03
  5. Step 5: Solve for x
    x = 6,517,423,674.03/93,146.36
  6. Step 6: Final answer
    x = 69,969.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.